Power Systems A loss less transmission line has a length of 600 km, find the phase shift of voltage signal? 42° 36° 45° 90° 42° 36° 45° 90° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Earthing switch is used for All of these protection of equipment from ground faults discharging residual energies measuring of safety voltage All of these protection of equipment from ground faults discharging residual energies measuring of safety voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems If transmission line parameters A and B are 0.9∠0° and 200∠90° respectively. Find the shunt reactor required to compensate the ferranti effect? 750 Ω 2000 Ω 3000 Ω 1500 Ω 750 Ω 2000 Ω 3000 Ω 1500 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system? Vacuum CB Air blast CB Bulk oil type CB Sulphur hexafluoride CB Vacuum CB Air blast CB Bulk oil type CB Sulphur hexafluoride CB ANSWER DOWNLOAD EXAMIANS APP
Power Systems Objectives of power system is/are Cost of electrical energy per KWh is to be minimum Rated voltage and frequency has to be supplied to the consumers nether 1 nor 2 both 1 and 2 Cost of electrical energy per KWh is to be minimum Rated voltage and frequency has to be supplied to the consumers nether 1 nor 2 both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of draft tube is reaction turbine is to reduce water hammer. increase flow rate of water. all of above. convert kinetic energy of water. reduce water hammer. increase flow rate of water. all of above. convert kinetic energy of water. ANSWER DOWNLOAD EXAMIANS APP